| // SPDX-License-Identifier: GPL-2.0 |
| #include "vmlinux.h" |
| #include <bpf/bpf_helpers.h> |
| |
| /* |
| * Minimal, map-less program. Driven through libbpf's gen_loader (gen_hash) |
| * by prog_tests/signed_loader.c so the generated light-skeleton loader (with |
| * the emit_signature_match metadata check) can be exercised against good |
| * and tampered metadata. A socket filter needs no load-time attach resolution, |
| * and having no maps keeps the generated loader's ctx trivial (0 maps, 1 prog). |
| */ |
| SEC("socket") |
| int probe(void *ctx) |
| { |
| return 0; |
| } |
| |
| char _license[] SEC("license") = "GPL"; |
